<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div id="app">
        <button @click="show">显示仓库的内容</button>
        <h1>{{this.$store.state.counter}}</h1>
        <button @click="add">加一</button>
    </div>
</body>
<script src="./node_modules/vue/dist/vue.js"></script>
<script src="./node_modules/vuex/dist/vuex.js"></script>
<script>
    console.log(Vuex);
    let store = new Vuex.Store({
        state: {
            counter: 250
        },
        mutations: {
            increment: function(state) {
                state.counter += 1;
            }
        }

    })
    let vm = new Vue({
        store,
        el: "#app",
        methods: {
            show: function() {
                console.log(this.$store);
            },
            add: function() {
                this.$store.commit("increment")
            }
        }

    })
</script>

</html>